
A new kind of terror to numb the nerves!
Giants Mollusks are released from the earth by an earthquake and start killing people.
Tim HoltLt. Cmdr. John 'Twill' Twillinger
Audrey DaltonGail MacKenzie
Hans ConriedDr. Jess Rogers
Barbara DarrowJody Simms
Max ShowalterDr. Tad JohnsHarlan WardeLt. Robert 'Clem' Clemens
Gordon JonesSheriff Josh Peters
Mimi GibsonSandy MacKenzie
Marjorie StappConnie Blake
Jody McCreaSeaman Fred Johnson
Wallace EarlSallyDennis McCarthyGeorge Blake (lab assistant)
Sarah SelbyMrs. Simms
Milton ParsonsLewis Clark Dobbs
Charles TannenSeaman Wyatt (Radioman)